39972060 has 36 divisors (see below), whose sum is σ = 121249128. Its totient is φ = 10659168.

The previous prime is 39972059. The next prime is 39972061. The reversal of 39972060 is 6027993.

It is an interprime number because it is at equal distance from previous prime (39972059) and next prime (39972061).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39972061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110854 + ... + 111213.

Almost surely, 2^39972060 is an apocalyptic number.

39972060 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39972060 is an abundant number, since it is smaller than the sum of its proper divisors (81277068).

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

39972060 is a wasteful number, since it uses less digits than its factorization.

39972060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222082 (or 222077 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 39972060 is about 6322.3460835358. The cubic root of 39972060 is about 341.9155429082.

The spelling of 39972060 in words is "thirty-nine million, nine hundred seventy-two thousand, sixty".