1957014720 has 84 divisors (see below), whose sum is σ = 6731325120. Its totient is φ = 521869824.

The previous prime is 1957014707. The next prime is 1957014727. The reversal of 1957014720 is 274107591.

It is a happy number.

1957014720 is a `hidden beast` number, since 1 + 9 + 570 + 14 + 72 + 0 = 666.

It is a super-2 number, since 2×1957014720² = 7659813228593356800, which contains 22 as substring.

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 (1957014727) 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, 336880 + ... + 342639.

Almost surely, 2^1957014720 is an apocalyptic number.

1957014720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1957014720 is an abundant number, since it is smaller than the sum of its proper divisors (4774310400).

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

1957014720 is a wasteful number, since it uses less digits than its factorization.

1957014720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679542 (or 679529 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 1957014720 is about 44238.1590937055. The cubic root of 1957014720 is about 1250.8292566784.

The spelling of 1957014720 in words is "one billion, nine hundred fifty-seven million, fourteen thousand, seven hundred twenty".