1458672720 has 80 divisors (see below), whose sum is σ = 4527186432. Its totient is φ = 388523520.

The previous prime is 1458672707. The next prime is 1458672737. The reversal of 1458672720 is 272768541.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1458672720² = 4255452208144396800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234774 + ... + 240906.

Almost surely, 2^1458672720 is an apocalyptic number.

1458672720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1458672720 is an abundant number, since it is smaller than the sum of its proper divisors (3068513712).

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

1458672720 is a wasteful number, since it uses less digits than its factorization.

1458672720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7140 (or 7134 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 1458672720 is about 38192.5741473392. The cubic root of 1458672720 is about 1134.1033160505.

The spelling of 1458672720 in words is "one billion, four hundred fifty-eight million, six hundred seventy-two thousand, seven hundred twenty".