745274736 has 40 divisors (see below), whose sum is σ = 2139215760. Its totient is φ = 248424768.

The previous prime is 745274707. The next prime is 745274737. The reversal of 745274736 is 637472547.

It is a junction number, because it is equal to n+sod(n) for n = 745274691 and 745274700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745274737) 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, 862155 + ... + 863018.

It is an arithmetic number, because the mean of its divisors is an integer number (53480394).

Almost surely, 2^745274736 is an apocalyptic number.

It is an amenable number.

745274736 is an abundant number, since it is smaller than the sum of its proper divisors (1393941024).

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

745274736 is a wasteful number, since it uses less digits than its factorization.

745274736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725190 (or 1725178 counting only the distinct ones).

The product of its digits is 987840, while the sum is 45.

The square root of 745274736 is about 27299.7204381290. The cubic root of 745274736 is about 906.6481919054.

The spelling of 745274736 in words is "seven hundred forty-five million, two hundred seventy-four thousand, seven hundred thirty-six".