157347072 has 108 divisors (see below), whose sum is σ = 468517504. Its totient is φ = 50734080.

The previous prime is 157347067. The next prime is 157347079. The reversal of 157347072 is 270743751.

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 (157347079) 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, 70323 + ... + 72525.

Almost surely, 2^157347072 is an apocalyptic number.

157347072 is a gapful number since it is divisible by the number (12) 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 157347072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234258752).

157347072 is an abundant number, since it is smaller than the sum of its proper divisors (311170432).

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

157347072 is a wasteful number, since it uses less digits than its factorization.

157347072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256 (or 2239 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 157347072 is about 12543.8061209507. The cubic root of 157347072 is about 539.8663043503.

The spelling of 157347072 in words is "one hundred fifty-seven million, three hundred forty-seven thousand, seventy-two".