70449408 has 54 divisors (see below), whose sum is σ = 203129654. Its totient is φ = 23482368.

The previous prime is 70449341. The next prime is 70449413. The reversal of 70449408 is 80494407.

It can be written as a sum of positive squares in only one way, i.e., 56070144 + 14379264 = 7488^2 + 3792^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12985 + ... + 17592.

Almost surely, 2^70449408 is an apocalyptic number.

It is an amenable number.

70449408 is an abundant number, since it is smaller than the sum of its proper divisors (132680246).

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

70449408 is a wasteful number, since it uses less digits than its factorization.

70449408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30599 (or 30582 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 70449408 is about 8393.4145614285. The cubic root of 70449408 is about 413.0086199875.

The spelling of 70449408 in words is "seventy million, four hundred forty-nine thousand, four hundred eight".