62720940 has 24 divisors (see below), whose sum is σ = 175618800. Its totient is φ = 16725568.

The previous prime is 62720897. The next prime is 62720941. The reversal of 62720940 is 4902726.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 62720898 and 62720907.

It is not an unprimeable number, because it can be changed into a prime (62720941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522615 + ... + 522734.

It is an arithmetic number, because the mean of its divisors is an integer number (7317450).

Almost surely, 2^62720940 is an apocalyptic number.

62720940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

62720940 is an abundant number, since it is smaller than the sum of its proper divisors (112897860).

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

62720940 is a wasteful number, since it uses less digits than its factorization.

62720940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045361 (or 1045359 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 62720940 is about 7919.6552955290. The cubic root of 62720940 is about 397.3173402293.

The spelling of 62720940 in words is "sixty-two million, seven hundred twenty thousand, nine hundred forty".