745071507 has 32 divisors (see below), whose sum is σ = 1137456960. Its totient is φ = 481800960.

The previous prime is 745071497. The next prime is 745071517. The reversal of 745071507 is 705170547.

745071507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (745071497) and next prime (745071517).

It is not a de Polignac number, because 745071507 - 2⁶ = 745071443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (745071517) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117133 + ... + 123329.

It is an arithmetic number, because the mean of its divisors is an integer number (35545530).

Almost surely, 2^745071507 is an apocalyptic number.

745071507 is a deficient number, since it is larger than the sum of its proper divisors (392385453).

745071507 is a wasteful number, since it uses less digits than its factorization.

745071507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6340 (or 6334 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 36.

The square root of 745071507 is about 27295.9980033704. The cubic root of 745071507 is about 906.5657731018.

The spelling of 745071507 in words is "seven hundred forty-five million, seventy-one thousand, five hundred seven".