46391730 has 192 divisors, whose sum is σ = 149713920. Its totient is φ = 9072000.

The previous prime is 46391707. The next prime is 46391731. The reversal of 46391730 is 3719364.

46391730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×46391730² = 4304385224785800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 46391691 and 46391700.

It is not an unprimeable number, because it can be changed into a prime (46391731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 307155 + ... + 307305.

It is an arithmetic number, because the mean of its divisors is an integer number (779760).

Almost surely, 2^46391730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46391730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74856960).

46391730 is an abundant number, since it is smaller than the sum of its proper divisors (103322190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

46391730 is a wasteful number, since it uses less digits than its factorization.

46391730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 46391730 is about 6811.1474804177. The cubic root of 46391730 is about 359.3190058192.

The spelling of 46391730 in words is "forty-six million, three hundred ninety-one thousand, seven hundred thirty".