70073648 has 10 divisors (see below), whose sum is σ = 135767724. Its totient is φ = 35036816.

The previous prime is 70073629. The next prime is 70073659. The reversal of 70073648 is 84637007.

It is a super-2 number, since 2×70073648² = 9820632288055808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2189786 + ... + 2189817.

Almost surely, 2^70073648 is an apocalyptic number.

It is an amenable number.

70073648 is a deficient number, since it is larger than the sum of its proper divisors (65694076).

70073648 is a wasteful number, since it uses less digits than its factorization.

70073648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4379611 (or 4379605 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 70073648 is about 8371.0004181101. Note that the first 3 decimals coincide. The cubic root of 70073648 is about 412.2730147592.

The spelling of 70073648 in words is "seventy million, seventy-three thousand, six hundred forty-eight".