755239690 has 16 divisors (see below), whose sum is σ = 1362508128. Its totient is φ = 301412176.

The previous prime is 755239679. The next prime is 755239691. The reversal of 755239690 is 96932557.

It is a happy number.

It is a super-2 number, since 2×755239690² = 1140773978702592200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 755239690.

It is not an unprimeable number, because it can be changed into a prime (755239691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80812 + ... + 89671.

It is an arithmetic number, because the mean of its divisors is an integer number (85156758).

Almost surely, 2^755239690 is an apocalyptic number.

755239690 is a deficient number, since it is larger than the sum of its proper divisors (607268438).

755239690 is a wasteful number, since it uses less digits than its factorization.

755239690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170933.

The product of its (nonzero) digits is 510300, while the sum is 46.

The square root of 755239690 is about 27481.6245880770. The cubic root of 755239690 is about 910.6711990542.

The spelling of 755239690 in words is "seven hundred fifty-five million, two hundred thirty-nine thousand, six hundred ninety".