747136340 has 24 divisors (see below), whose sum is σ = 1570159080. Its totient is φ = 298631168.

The previous prime is 747136339. The next prime is 747136409. The reversal of 747136340 is 43631747.

It can be written as a sum of positive squares in 4 ways, for example, as 27394756 + 719741584 = 5234^2 + 26828^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 747136340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14924 + ... + 41436.

It is an arithmetic number, because the mean of its divisors is an integer number (65423295).

Almost surely, 2^747136340 is an apocalyptic number.

It is an amenable number.

747136340 is an abundant number, since it is smaller than the sum of its proper divisors (823022740).

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

747136340 is a wasteful number, since it uses less digits than its factorization.

747136340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27931 (or 27929 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 747136340 is about 27333.7948335024. The cubic root of 747136340 is about 907.4024625318.

The spelling of 747136340 in words is "seven hundred forty-seven million, one hundred thirty-six thousand, three hundred forty".