745291992 has 16 divisors (see below), whose sum is σ = 1863230040. Its totient is φ = 248430656.

The previous prime is 745291991. The next prime is 745292003. The reversal of 745291992 is 299192547.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745291991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15526893 + ... + 15526940.

Almost surely, 2^745291992 is an apocalyptic number.

It is an amenable number.

745291992 is an abundant number, since it is smaller than the sum of its proper divisors (1117938048).

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

745291992 is a wasteful number, since it uses less digits than its factorization.

745291992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31053842 (or 31053838 counting only the distinct ones).

The product of its digits is 408240, while the sum is 48.

The square root of 745291992 is about 27300.0364834921. The cubic root of 745291992 is about 906.6551893251.

The spelling of 745291992 in words is "seven hundred forty-five million, two hundred ninety-one thousand, nine hundred ninety-two".