157426720 has 96 divisors (see below), whose sum is σ = 423480960. Its totient is φ = 54743040.

The previous prime is 157426699. The next prime is 157426727. The reversal of 157426720 is 27624751.

It is not an unprimeable number, because it can be changed into a prime (157426727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38536 + ... + 42424.

It is an arithmetic number, because the mean of its divisors is an integer number (4411260).

Almost surely, 2^157426720 is an apocalyptic number.

157426720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157426720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211740480).

157426720 is an abundant number, since it is smaller than the sum of its proper divisors (266054240).

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

157426720 is a wasteful number, since it uses less digits than its factorization.

157426720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3938 (or 3930 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 157426720 is about 12546.9805132550. The cubic root of 157426720 is about 539.9573811815.

The spelling of 157426720 in words is "one hundred fifty-seven million, four hundred twenty-six thousand, seven hundred twenty".