46551720 has 64 divisors (see below), whose sum is σ = 140976000. Its totient is φ = 12296448.

The previous prime is 46551709. The next prime is 46551721. The reversal of 46551720 is 2715564.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (46551721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11301 + ... + 14859.

It is an arithmetic number, because the mean of its divisors is an integer number (2202750).

Almost surely, 2^46551720 is an apocalyptic number.

46551720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46551720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70488000).

46551720 is an abundant number, since it is smaller than the sum of its proper divisors (94424280).

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

46551720 is a wasteful number, since it uses less digits than its factorization.

46551720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682 (or 3678 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 46551720 is about 6822.8820889709. The cubic root of 46551720 is about 359.7315900512.

The spelling of 46551720 in words is "forty-six million, five hundred fifty-one thousand, seven hundred twenty".