1372238688 has 48 divisors (see below), whose sum is σ = 3670104816. Its totient is φ = 448780800.

The previous prime is 1372238687. The next prime is 1372238689. The reversal of 1372238688 is 8868322731.

It is an interprime number because it is at equal distance from previous prime (1372238687) and next prime (1372238689).

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1372238688² = 3766078033687922688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372238687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129763 + ... + 139938.

It is an arithmetic number, because the mean of its divisors is an integer number (76460517).

Almost surely, 2^1372238688 is an apocalyptic number.

It is an amenable number.

1372238688 is an abundant number, since it is smaller than the sum of its proper divisors (2297866128).

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

1372238688 is a wasteful number, since it uses less digits than its factorization.

1372238688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269767 (or 269759 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 1372238688 is about 37043.7401999312. The cubic root of 1372238688 is about 1111.2451703254.

The spelling of 1372238688 in words is "one billion, three hundred seventy-two million, two hundred thirty-eight thousand, six hundred eighty-eight".