745411620 has 48 divisors (see below), whose sum is σ = 2143568448. Its totient is φ = 193403520.

The previous prime is 745411609. The next prime is 745411627. The reversal of 745411620 is 26114547.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (745411627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165666 + ... + 170105.

It is an arithmetic number, because the mean of its divisors is an integer number (44657676).

Almost surely, 2^745411620 is an apocalyptic number.

It is an amenable number.

745411620 is an abundant number, since it is smaller than the sum of its proper divisors (1398156828).

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

745411620 is a wasteful number, since it uses less digits than its factorization.

745411620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335820 (or 335818 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 745411620 is about 27302.2273816625. The cubic root of 745411620 is about 906.7036962842.

It can be divided in two parts, 745411 and 620, that added together give a triangular number (746031 = T₁₂₂₁).

The spelling of 745411620 in words is "seven hundred forty-five million, four hundred eleven thousand, six hundred twenty".