45670920 has 32 divisors (see below), whose sum is σ = 137013120. Its totient is φ = 12178880.

The previous prime is 45670907. The next prime is 45670943. The reversal of 45670920 is 2907654.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190176 + ... + 190415.

It is an arithmetic number, because the mean of its divisors is an integer number (4281660).

Almost surely, 2^45670920 is an apocalyptic number.

45670920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45670920 is an abundant number, since it is smaller than the sum of its proper divisors (91342200).

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

45670920 is a wasteful number, since it uses less digits than its factorization.

45670920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380605 (or 380601 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 45670920 is about 6758.0263391023. The cubic root of 45670920 is about 357.4483143692.

The spelling of 45670920 in words is "forty-five million, six hundred seventy thousand, nine hundred twenty".