672692553 has 32 divisors (see below), whose sum is σ = 1088398080. Its totient is φ = 408119040.

The previous prime is 672692539. The next prime is 672692563. The reversal of 672692553 is 355296276.

672692553 is a `hidden beast` number, since 6 + 7 + 2 + 6 + 92 + 553 = 666.

It is not a de Polignac number, because 672692553 - 2¹³ = 672684361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 672692499 and 672692508.

It is not an unprimeable number, because it can be changed into a prime (672692563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11425 + ... + 38417.

It is an arithmetic number, because the mean of its divisors is an integer number (34012440).

Almost surely, 2^672692553 is an apocalyptic number.

It is an amenable number.

672692553 is a deficient number, since it is larger than the sum of its proper divisors (415705527).

672692553 is a wasteful number, since it uses less digits than its factorization.

672692553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27086 (or 27080 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 672692553 is about 25936.3172597807. The cubic root of 672692553 is about 876.2046223999.

The spelling of 672692553 in words is "six hundred seventy-two million, six hundred ninety-two thousand, five hundred fifty-three".