745990210 has 48 divisors (see below), whose sum is σ = 1572123384. Its totient is φ = 254112768.

The previous prime is 745990207. The next prime is 745990241. The reversal of 745990210 is 12099547.

It can be written as a sum of positive squares in 4 ways, for example, as 375158161 + 370832049 = 19369^2 + 19257^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 745990210.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72082 + ... + 81778.

Almost surely, 2^745990210 is an apocalyptic number.

745990210 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

745990210 is an abundant number, since it is smaller than the sum of its proper divisors (826133174).

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

745990210 is a wasteful number, since it uses less digits than its factorization.

745990210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9875 (or 9868 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 745990210 is about 27312.8213482240. The cubic root of 745990210 is about 906.9382306907.

The spelling of 745990210 in words is "seven hundred forty-five million, nine hundred ninety thousand, two hundred ten".