70550957 has 8 divisors (see below), whose sum is σ = 71360184. Its totient is φ = 69746688.

The previous prime is 70550941. The next prime is 70550981. The reversal of 70550957 is 75905507.

It can be written as a sum of positive squares in 4 ways, for example, as 1012036 + 69538921 = 1006^2 + 8339^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 70550957 - 2⁴ = 70550941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70550957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70550927) 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, 32333 + ... + 34445.

It is an arithmetic number, because the mean of its divisors is an integer number (8920023).

Almost surely, 2^70550957 is an apocalyptic number.

It is an amenable number.

70550957 is a deficient number, since it is larger than the sum of its proper divisors (809227).

70550957 is a wasteful number, since it uses less digits than its factorization.

70550957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479.

The product of its (nonzero) digits is 55125, while the sum is 38.

The square root of 70550957 is about 8399.4617089430. The cubic root of 70550957 is about 413.2069678892.

The spelling of 70550957 in words is "seventy million, five hundred fifty thousand, nine hundred fifty-seven".