745287150672 has 120 divisors (see below), whose sum is σ = 2119001146080. Its totient is φ = 244478234880.

The previous prime is 745287150653. The next prime is 745287150731. The reversal of 745287150672 is 276051782547.

745287150672 is a `hidden beast` number, since 7 + 4 + 52 + 87 + 1 + 506 + 7 + 2 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9812779 + ... + 9888437.

It is an arithmetic number, because the mean of its divisors is an integer number (17658342884).

Almost surely, 2^745287150672 is an apocalyptic number.

745287150672 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745287150672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1059500573040).

745287150672 is an abundant number, since it is smaller than the sum of its proper divisors (1373713995408).

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

745287150672 is a wasteful number, since it uses less digits than its factorization.

745287150672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76761 (or 76752 counting only the distinct ones).

The product of its (nonzero) digits is 6585600, while the sum is 54.

The spelling of 745287150672 in words is "seven hundred forty-five billion, two hundred eighty-seven million, one hundred fifty thousand, six hundred seventy-two".