626976642 has 32 divisors (see below), whose sum is σ = 1310100480. Its totient is φ = 199657040.

The previous prime is 626976631. The next prime is 626976659. The reversal of 626976642 is 246679626.

It is a super-2 number, since 2×626976642² = 786199419227192328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 626976591 and 626976600.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131659 + ... + 136337.

It is an arithmetic number, because the mean of its divisors is an integer number (40940640).

Almost surely, 2^626976642 is an apocalyptic number.

626976642 is an abundant number, since it is smaller than the sum of its proper divisors (683123838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

626976642 is a wasteful number, since it uses less digits than its factorization.

626976642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5678.

The product of its digits is 1306368, while the sum is 48.

The square root of 626976642 is about 25039.5016324207. The cubic root of 626976642 is about 855.8883608811. Note that the first 3 decimals are identical.

The spelling of 626976642 in words is "six hundred twenty-six million, nine hundred seventy-six thousand, six hundred forty-two".