745103772 has 120 divisors (see below), whose sum is σ = 2343411840. Its totient is φ = 201670560.

The previous prime is 745103741. The next prime is 745103803. The reversal of 745103772 is 277301547.

745103772 is a `hidden beast` number, since 74 + 510 + 3 + 7 + 72 = 666.

It is an interprime number because it is at equal distance from previous prime (745103741) and next prime (745103803).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 34447 + ... + 51737.

It is an arithmetic number, because the mean of its divisors is an integer number (19528432).

Almost surely, 2^745103772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745103772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1171705920).

745103772 is an abundant number, since it is smaller than the sum of its proper divisors (1598308068).

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

745103772 is a wasteful number, since it uses less digits than its factorization.

745103772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17333 (or 17322 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 745103772 is about 27296.5890176776. The cubic root of 745103772 is about 906.5788590594.

The spelling of 745103772 in words is "seven hundred forty-five million, one hundred three thousand, seven hundred seventy-two".