745431498 has 40 divisors (see below), whose sum is σ = 1908938592. Its totient is φ = 212980104.

The previous prime is 745431473. The next prime is 745431499. The reversal of 745431498 is 894134547.

745431498 is a `hidden beast` number, since 7 + 4 + 543 + 14 + 98 = 666.

745431498 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (745431499) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 327540 + ... + 329807.

Almost surely, 2^745431498 is an apocalyptic number.

745431498 is an abundant number, since it is smaller than the sum of its proper divisors (1163507094).

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

745431498 is a wasteful number, since it uses less digits than its factorization.

745431498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657368 (or 657359 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 745431498 is about 27302.5914154682. The cubic root of 745431498 is about 906.7117559456.

The spelling of 745431498 in words is "seven hundred forty-five million, four hundred thirty-one thousand, four hundred ninety-eight".