62742540 has 72 divisors (see below), whose sum is σ = 204370992. Its totient is φ = 14340480.

The previous prime is 62742527. The next prime is 62742557. The reversal of 62742540 is 4524726.

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 = 62742498 and 62742507.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7731 + ... + 13610.

It is an arithmetic number, because the mean of its divisors is an integer number (2838486).

Almost surely, 2^62742540 is an apocalyptic number.

62742540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

62742540 is an abundant number, since it is smaller than the sum of its proper divisors (141628452).

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

62742540 is a wasteful number, since it uses less digits than its factorization.

62742540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21367 (or 21358 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 62742540 is about 7921.0188738571. The cubic root of 62742540 is about 397.3629447200.

The spelling of 62742540 in words is "sixty-two million, seven hundred forty-two thousand, five hundred forty".