75942490 has 32 divisors (see below), whose sum is σ = 149425920. Its totient is φ = 27618624.

The previous prime is 75942457. The next prime is 75942491. The reversal of 75942490 is 9424957.

It is not an unprimeable number, because it can be changed into a prime (75942491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4351 + ... + 13069.

It is an arithmetic number, because the mean of its divisors is an integer number (4669560).

Almost surely, 2^75942490 is an apocalyptic number.

75942490 is a deficient number, since it is larger than the sum of its proper divisors (73483430).

75942490 is a wasteful number, since it uses less digits than its factorization.

75942490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8806.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 75942490 is about 8714.4988381432. The cubic root of 75942490 is about 423.4754883879.

The spelling of 75942490 in words is "seventy-five million, nine hundred forty-two thousand, four hundred ninety".