70486644 has 24 divisors (see below), whose sum is σ = 166552960. Its totient is φ = 23197824.

The previous prime is 70486643. The next prime is 70486673. The reversal of 70486644 is 44668407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70486643) 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, 36229 + ... + 38124.

Almost surely, 2^70486644 is an apocalyptic number.

It is an amenable number.

70486644 is an abundant number, since it is smaller than the sum of its proper divisors (96066316).

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

70486644 is a wasteful number, since it uses less digits than its factorization.

70486644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74439 (or 74437 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 70486644 is about 8395.6324359753. The cubic root of 70486644 is about 413.0813723390.

The spelling of 70486644 in words is "seventy million, four hundred eighty-six thousand, six hundred forty-four".