75210490 has 8 divisors (see below), whose sum is σ = 135378900. Its totient is φ = 30084192.

The previous prime is 75210479. The next prime is 75210511. The reversal of 75210490 is 9401257.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 65950641 + 9259849 = 8121^2 + 3043^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3760515 + ... + 3760534.

Almost surely, 2^75210490 is an apocalyptic number.

75210490 is a deficient number, since it is larger than the sum of its proper divisors (60168410).

75210490 is a wasteful number, since it uses less digits than its factorization.

75210490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7521056.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 75210490 is about 8672.3981689035. The cubic root of 75210490 is about 422.1104844621.

The spelling of 75210490 in words is "seventy-five million, two hundred ten thousand, four hundred ninety".