40075970 has 64 divisors (see below), whose sum is σ = 86313600. Its totient is φ = 13224960.

The previous prime is 40075967. The next prime is 40075979. The reversal of 40075970 is 7957004.

It is not an unprimeable number, because it can be changed into a prime (40075979) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53861 + ... + 54599.

It is an arithmetic number, because the mean of its divisors is an integer number (1348650).

Almost surely, 2^40075970 is an apocalyptic number.

40075970 is an abundant number, since it is smaller than the sum of its proper divisors (46237630).

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

40075970 is a wasteful number, since it uses less digits than its factorization.

40075970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 40075970 is about 6330.5584271848. The cubic root of 40075970 is about 342.2115638644.

The spelling of 40075970 in words is "forty million, seventy-five thousand, nine hundred seventy".