749406025 has 6 divisors (see below), whose sum is σ = 929263502. Its totient is φ = 599524800.

The previous prime is 749406013. The next prime is 749406083. The reversal of 749406025 is 520604947.

It can be written as a sum of positive squares in 3 ways, for example, as 26656569 + 722749456 = 5163^2 + 26884^2 .

It is not a de Polignac number, because 749406025 - 2⁹ = 749405513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14988096 + ... + 14988145.

Almost surely, 2^749406025 is an apocalyptic number.

It is an amenable number.

749406025 is a deficient number, since it is larger than the sum of its proper divisors (179857477).

749406025 is a wasteful number, since it uses less digits than its factorization.

749406025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29976251 (or 29976246 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 749406025 is about 27375.2812770938. The cubic root of 749406025 is about 908.3203832474.

The spelling of 749406025 in words is "seven hundred forty-nine million, four hundred six thousand, twenty-five".