70612648 has 8 divisors (see below), whose sum is σ = 132398730. Its totient is φ = 35306320.

The previous prime is 70612639. The next prime is 70612667. The reversal of 70612648 is 84621607.

It can be written as a sum of positive squares in only one way, i.e., 70593604 + 19044 = 8402^2 + 138^2 .

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

It is a super-2 number, since 2×70612648² = 9972292115143808, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4413283 + ... + 4413298.

Almost surely, 2^70612648 is an apocalyptic number.

It is an amenable number.

70612648 is a deficient number, since it is larger than the sum of its proper divisors (61786082).

70612648 is a wasteful number, since it uses less digits than its factorization.

70612648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8826587 (or 8826583 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 70612648 is about 8403.1332251726. The cubic root of 70612648 is about 413.3273712864.

The spelling of 70612648 in words is "seventy million, six hundred twelve thousand, six hundred forty-eight".