745025507 has 4 divisors (see below), whose sum is σ = 755518896. Its totient is φ = 734532120.

The previous prime is 745025483. The next prime is 745025531. The reversal of 745025507 is 705520547.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 705520547 = 7687 ⋅91781.

It is an interprime number because it is at equal distance from previous prime (745025483) and next prime (745025531).

It is a cyclic number.

It is not a de Polignac number, because 745025507 - 2¹² = 745021411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745025557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5246588 + ... + 5246729.

It is an arithmetic number, because the mean of its divisors is an integer number (188879724).

Almost surely, 2^745025507 is an apocalyptic number.

745025507 is a deficient number, since it is larger than the sum of its proper divisors (10493389).

745025507 is a wasteful number, since it uses less digits than its factorization.

745025507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10493388.

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 745025507 is about 27295.1553760003. The cubic root of 745025507 is about 906.5471158841.

The spelling of 745025507 in words is "seven hundred forty-five million, twenty-five thousand, five hundred seven".