745254079 has 4 divisors (see below), whose sum is σ = 745324776. Its totient is φ = 745183384.

The previous prime is 745254077. The next prime is 745254091. The reversal of 745254079 is 970452547.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 745254079 - 2¹ = 745254077 is a prime.

It is a super-2 number, since 2×745254079² = 1110807284532276482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745254077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16009 + ... + 41794.

It is an arithmetic number, because the mean of its divisors is an integer number (186331194).

Almost surely, 2^745254079 is an apocalyptic number.

745254079 is a deficient number, since it is larger than the sum of its proper divisors (70697).

745254079 is a wasteful number, since it uses less digits than its factorization.

745254079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70696.

The product of its (nonzero) digits is 352800, while the sum is 43.

The square root of 745254079 is about 27299.3420982997. The cubic root of 745254079 is about 906.6398152161.

The spelling of 745254079 in words is "seven hundred forty-five million, two hundred fifty-four thousand, seventy-nine".