75653494 has 16 divisors (see below), whose sum is σ = 130906368. Its totient is φ = 32119272.

The previous prime is 75653453. The next prime is 75653507. The reversal of 75653494 is 49435657.

It is a super-3 number, since 3×75653494³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75653494.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23754 + ... + 26749.

It is an arithmetic number, because the mean of its divisors is an integer number (8181648).

Almost surely, 2^75653494 is an apocalyptic number.

75653494 is a deficient number, since it is larger than the sum of its proper divisors (55252874).

75653494 is a wasteful number, since it uses less digits than its factorization.

75653494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50619.

The product of its digits is 453600, while the sum is 43.

The square root of 75653494 is about 8697.9017009851. The cubic root of 75653494 is about 422.9376327375.

The spelling of 75653494 in words is "seventy-five million, six hundred fifty-three thousand, four hundred ninety-four".