734656725 has 36 divisors (see below), whose sum is σ = 1435479552. Its totient is φ = 356196000.

The previous prime is 734656723. The next prime is 734656753. The reversal of 734656725 is 527656437.

It is not a de Polignac number, because 734656725 - 2¹ = 734656723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734656723) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 145941 + ... + 150890.

It is an arithmetic number, because the mean of its divisors is an integer number (39874432).

Almost surely, 2^734656725 is an apocalyptic number.

734656725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

734656725 is a deficient number, since it is larger than the sum of its proper divisors (700822827).

734656725 is a wasteful number, since it uses less digits than its factorization.

734656725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296858 (or 296850 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 45.

The square root of 734656725 is about 27104.5517395142. The cubic root of 734656725 is about 902.3218751036.

The spelling of 734656725 in words is "seven hundred thirty-four million, six hundred fifty-six thousand, seven hundred twenty-five".