749394075 has 54 divisors (see below), whose sum is σ = 1295075964. Its totient is φ = 382354560.

The previous prime is 749394011. The next prime is 749394077. The reversal of 749394075 is 570493947.

It is a happy number.

It is not a de Polignac number, because 749394075 - 2⁶ = 749394011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (749394077) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 6875121 + ... + 6875229.

Almost surely, 2^749394075 is an apocalyptic number.

749394075 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

749394075 is a deficient number, since it is larger than the sum of its proper divisors (545681889).

749394075 is a wasteful number, since it uses less digits than its factorization.

749394075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 48.

The square root of 749394075 is about 27375.0630136261. The cubic root of 749394075 is about 908.3155552076.

Multiplying 749394075 by its sum of digits (48), we get a square (35970915600 = 189660²).

The spelling of 749394075 in words is "seven hundred forty-nine million, three hundred ninety-four thousand, seventy-five".