749895506 has 4 divisors (see below), whose sum is σ = 1124843262. Its totient is φ = 374947752.

The previous prime is 749895499. The next prime is 749895511. The reversal of 749895506 is 605598947.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 748514881 + 1380625 = 27359^2 + 1175^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187473875 + ... + 187473878.

Almost surely, 2^749895506 is an apocalyptic number.

749895506 is a deficient number, since it is larger than the sum of its proper divisors (374947756).

749895506 is a wasteful number, since it uses less digits than its factorization.

749895506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374947755.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The square root of 749895506 is about 27384.2200181053. The cubic root of 749895506 is about 908.5180993009.

The spelling of 749895506 in words is "seven hundred forty-nine million, eight hundred ninety-five thousand, five hundred six".