745692399 has 24 divisors (see below), whose sum is σ = 1155532560. Its totient is φ = 479981376.

The previous prime is 745692371. The next prime is 745692419. The reversal of 745692399 is 993296547.

745692399 is a `hidden beast` number, since 74 + 569 + 2 + 3 + 9 + 9 = 666.

It is not a de Polignac number, because 745692399 - 2¹³ = 745684207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745692329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45862 + ... + 59955.

It is an arithmetic number, because the mean of its divisors is an integer number (48147190).

Almost surely, 2^745692399 is an apocalyptic number.

745692399 is a deficient number, since it is larger than the sum of its proper divisors (409840161).

745692399 is a wasteful number, since it uses less digits than its factorization.

745692399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105861 (or 105849 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The square root of 745692399 is about 27307.3689505232. The cubic root of 745692399 is about 906.8175266350.

The spelling of 745692399 in words is "seven hundred forty-five million, six hundred ninety-two thousand, three hundred ninety-nine".