42970956 has 24 divisors (see below), whose sum is σ = 114589440. Its totient is φ = 12277392.

The previous prime is 42970933. The next prime is 42970957. The reversal of 42970956 is 65907924.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (42970957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255696 + ... + 255863.

It is an arithmetic number, because the mean of its divisors is an integer number (4774560).

Almost surely, 2^42970956 is an apocalyptic number.

It is an amenable number.

42970956 is an abundant number, since it is smaller than the sum of its proper divisors (71618484).

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

42970956 is a wasteful number, since it uses less digits than its factorization.

42970956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511573 (or 511571 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 42970956 is about 6555.2235659816. The cubic root of 42970956 is about 350.2609102160.

The spelling of 42970956 in words is "forty-two million, nine hundred seventy thousand, nine hundred fifty-six".