372420531 has 48 divisors (see below), whose sum is σ = 669772800. Its totient is φ = 203542416.

The previous prime is 372420473. The next prime is 372420551. The reversal of 372420531 is 135024273.

It is not a de Polignac number, because 372420531 - 2²³ = 364031923 is a prime.

It is a super-2 number, since 2×372420531² = 277394103820643922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 372420495 and 372420504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (372420551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24310 + ... + 36548.

It is an arithmetic number, because the mean of its divisors is an integer number (13953600).

Almost surely, 2^372420531 is an apocalyptic number.

372420531 is a deficient number, since it is larger than the sum of its proper divisors (297352269).

372420531 is a wasteful number, since it uses less digits than its factorization.

372420531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12285 (or 12272 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 372420531 is about 19298.2002010550. The cubic root of 372420531 is about 719.4675403564.

It can be divided in two parts, 372 and 420531, that added together give a triangular number (420903 = T₉₁₇).

The spelling of 372420531 in words is "three hundred seventy-two million, four hundred twenty thousand, five hundred thirty-one".