70636474 has 8 divisors (see below), whose sum is σ = 106001460. Its totient is φ = 35302656.

The previous prime is 70636463. The next prime is 70636477. The reversal of 70636474 is 47463607.

It can be written as a sum of positive squares in 2 ways, for example, as 59367025 + 11269449 = 7705^2 + 3357^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×70636474² = 9979022918305352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70636477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909 + ... + 11920.

Almost surely, 2^70636474 is an apocalyptic number.

70636474 is a deficient number, since it is larger than the sum of its proper divisors (35364986).

70636474 is a wasteful number, since it uses less digits than its factorization.

70636474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15584.

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 70636474 is about 8404.5507910893. The cubic root of 70636474 is about 413.3738541324.

The spelling of 70636474 in words is "seventy million, six hundred thirty-six thousand, four hundred seventy-four".