772140400 has 30 divisors (see below), whose sum is σ = 1855068272. Its totient is φ = 308856000.

The previous prime is 772140371. The next prime is 772140401. The reversal of 772140400 is 4041277.

772140400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772140401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 964776 + ... + 965575.

Almost surely, 2^772140400 is an apocalyptic number.

It is an amenable number.

772140400 is an abundant number, since it is smaller than the sum of its proper divisors (1082927872).

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

772140400 is a wasteful number, since it uses less digits than its factorization.

772140400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930369 (or 1930358 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 772140400 is about 27787.4144173221. The cubic root of 772140400 is about 917.4141312031.

Adding to 772140400 its reverse (4041277), we get a palindrome (776181677).

The spelling of 772140400 in words is "seven hundred seventy-two million, one hundred forty thousand, four hundred".