70649352 has 24 divisors (see below), whose sum is σ = 191342190. Its totient is φ = 23549760.

The previous prime is 70649347. The next prime is 70649363. The reversal of 70649352 is 25394607.

70649352 is a `hidden beast` number, since 7 + 0 + 649 + 3 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 61685316 + 8964036 = 7854^2 + 2994^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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, 490549 + ... + 490692.

Almost surely, 2^70649352 is an apocalyptic number.

70649352 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

70649352 is an abundant number, since it is smaller than the sum of its proper divisors (120692838).

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

70649352 is a wasteful number, since it uses less digits than its factorization.

70649352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981253 (or 981246 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 70649352 is about 8405.3168887318. The cubic root of 70649352 is about 413.3989738509.

The spelling of 70649352 in words is "seventy million, six hundred forty-nine thousand, three hundred fifty-two".