70965537 has 8 divisors (see below), whose sum is σ = 94669536. Its totient is φ = 47285952.

The previous prime is 70965527. The next prime is 70965539. The reversal of 70965537 is 73556907.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70965537 - 2¹⁵ = 70932769 is a prime.

It is a super-2 number, since 2×70965537² = 10072214883396738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70965539) 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, 2358 + ... + 12144.

It is an arithmetic number, because the mean of its divisors is an integer number (11833692).

Almost surely, 2^70965537 is an apocalyptic number.

It is an amenable number.

70965537 is a deficient number, since it is larger than the sum of its proper divisors (23703999).

70965537 is a wasteful number, since it uses less digits than its factorization.

70965537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12207.

The product of its (nonzero) digits is 198450, while the sum is 42.

The square root of 70965537 is about 8424.1045221436. The cubic root of 70965537 is about 414.0147664457.

The spelling of 70965537 in words is "seventy million, nine hundred sixty-five thousand, five hundred thirty-seven".