70633994 has 4 divisors (see below), whose sum is σ = 105950994. Its totient is φ = 35316996.

The previous prime is 70633919. The next prime is 70634029. The reversal of 70633994 is 49933607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49933607 = 17 ⋅2937271.

It can be written as a sum of positive squares in only one way, i.e., 49885969 + 20748025 = 7063^2 + 4555^2 .

It is a super-2 number, since 2×70633994² = 9978322216784072, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17658497 + ... + 17658500.

Almost surely, 2^70633994 is an apocalyptic number.

70633994 is a deficient number, since it is larger than the sum of its proper divisors (35317000).

70633994 is a wasteful number, since it uses less digits than its factorization.

70633994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35316999.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 70633994 is about 8404.4032506776. The cubic root of 70633994 is about 413.3690163147.

The spelling of 70633994 in words is "seventy million, six hundred thirty-three thousand, nine hundred ninety-four".