46720540 has 12 divisors (see below), whose sum is σ = 98113176. Its totient is φ = 18688208.

The previous prime is 46720519. The next prime is 46720547. The reversal of 46720540 is 4502764.

It is a junction number, because it is equal to n+sod(n) for n = 46720499 and 46720508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46720547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1167994 + ... + 1168033.

It is an arithmetic number, because the mean of its divisors is an integer number (8176098).

Almost surely, 2^46720540 is an apocalyptic number.

It is an amenable number.

46720540 is an abundant number, since it is smaller than the sum of its proper divisors (51392636).

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

46720540 is a wasteful number, since it uses less digits than its factorization.

46720540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336036 (or 2336034 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 46720540 is about 6835.2424975271. The cubic root of 46720540 is about 360.1659214586.

The spelling of 46720540 in words is "forty-six million, seven hundred twenty thousand, five hundred forty".