45071970 has 32 divisors (see below), whose sum is σ = 108440640. Its totient is φ = 11989440.

The previous prime is 45071969. The next prime is 45071987. The reversal of 45071970 is 7917054.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12201 + ... + 15459.

It is an arithmetic number, because the mean of its divisors is an integer number (3388770).

Almost surely, 2^45071970 is an apocalyptic number.

45071970 is an abundant number, since it is smaller than the sum of its proper divisors (63368670).

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

45071970 is a wasteful number, since it uses less digits than its factorization.

45071970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 45071970 is about 6713.5661164541. The cubic root of 45071970 is about 355.8788513833.

The spelling of 45071970 in words is "forty-five million, seventy-one thousand, nine hundred seventy".