745258488 has 32 divisors (see below), whose sum is σ = 2006466000. Its totient is φ = 229310208.

The previous prime is 745258463. The next prime is 745258513. The reversal of 745258488 is 884852547.

It is an interprime number because it is at equal distance from previous prime (745258463) and next prime (745258513).

It is a super-2 number, since 2×745258488² = 1110820427872092288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 745258488.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1194013 + ... + 1194636.

Almost surely, 2^745258488 is an apocalyptic number.

745258488 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

745258488 is an abundant number, since it is smaller than the sum of its proper divisors (1261207512).

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

745258488 is a wasteful number, since it uses less digits than its factorization.

745258488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2388671 (or 2388667 counting only the distinct ones).

The product of its digits is 2867200, while the sum is 51.

The square root of 745258488 is about 27299.4228510421. The cubic root of 745258488 is about 906.6416031374.

The spelling of 745258488 in words is "seven hundred forty-five million, two hundred fifty-eight thousand, four hundred eighty-eight".