70661464 has 8 divisors (see below), whose sum is σ = 132490260. Its totient is φ = 35330728.

The previous prime is 70661447. The next prime is 70661509. The reversal of 70661464 is 46416607.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4416334 + ... + 4416349.

Almost surely, 2^70661464 is an apocalyptic number.

It is an amenable number.

70661464 is a deficient number, since it is larger than the sum of its proper divisors (61828796).

70661464 is a wasteful number, since it uses less digits than its factorization.

70661464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8832689 (or 8832685 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 70661464 is about 8406.0373541878. The cubic root of 70661464 is about 413.4225966307.

The spelling of 70661464 in words is "seventy million, six hundred sixty-one thousand, four hundred sixty-four".