70407952 has 10 divisors (see below), whose sum is σ = 136415438. Its totient is φ = 35203968.

The previous prime is 70407949. The next prime is 70407959. The reversal of 70407952 is 25970407.

It can be written as a sum of positive squares in only one way, i.e., 63936016 + 6471936 = 7996^2 + 2544^2 .

It is not an unprimeable number, because it can be changed into a prime (70407959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200233 + ... + 2200264.

Almost surely, 2^70407952 is an apocalyptic number.

It is an amenable number.

70407952 is a deficient number, since it is larger than the sum of its proper divisors (66007486).

70407952 is a wasteful number, since it uses less digits than its factorization.

70407952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400505 (or 4400499 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 70407952 is about 8390.9446428874. The cubic root of 70407952 is about 412.9275923614.

The spelling of 70407952 in words is "seventy million, four hundred seven thousand, nine hundred fifty-two".