745556112 has 120 divisors (see below), whose sum is σ = 2435486976. Its totient is φ = 208470528.

The previous prime is 745556111. The next prime is 745556183. The reversal of 745556112 is 211655547.

It is a super-2 number, since 2×745556112² = 1111707832281113088, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (745556111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39508 + ... + 55244.

Almost surely, 2^745556112 is an apocalyptic number.

745556112 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 745556112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1217743488).

745556112 is an abundant number, since it is smaller than the sum of its proper divisors (1689930864).

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

745556112 is a wasteful number, since it uses less digits than its factorization.

745556112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15805 (or 15796 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 745556112 is about 27304.8734111697. The cubic root of 745556112 is about 906.7622782196.

The spelling of 745556112 in words is "seven hundred forty-five million, five hundred fifty-six thousand, one hundred twelve".