10642978 has 8 divisors (see below), whose sum is σ = 16111260. Its totient is φ = 5272560.

The previous prime is 10642963. The next prime is 10642987. The reversal of 10642978 is 87924601.

It can be written as a sum of positive squares in 2 ways, for example, as 10029889 + 613089 = 3167^2 + 783^2 .

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

It is a super-2 number, since 2×10642978² = 226545961416968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24193 + ... + 24628.

Almost surely, 2^10642978 is an apocalyptic number.

10642978 is a deficient number, since it is larger than the sum of its proper divisors (5468282).

10642978 is a wasteful number, since it uses less digits than its factorization.

10642978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48932.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 10642978 is about 3262.3577363618. The cubic root of 10642978 is about 219.9654077842.

The spelling of 10642978 in words is "ten million, six hundred forty-two thousand, nine hundred seventy-eight".