745948072 has 8 divisors (see below), whose sum is σ = 1398652650. Its totient is φ = 372974032.

The previous prime is 745948067. The next prime is 745948079. The reversal of 745948072 is 270849547.

It can be written as a sum of positive squares in only one way, i.e., 737339716 + 8608356 = 27154^2 + 2934^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×745948072² = 1112877052241034368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (745948079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46621747 + ... + 46621762.

Almost surely, 2^745948072 is an apocalyptic number.

It is an amenable number.

745948072 is a deficient number, since it is larger than the sum of its proper divisors (652704578).

745948072 is a wasteful number, since it uses less digits than its factorization.

745948072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93243515 (or 93243511 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 745948072 is about 27312.0499413720. The cubic root of 745948072 is about 906.9211539327.

The spelling of 745948072 in words is "seven hundred forty-five million, nine hundred forty-eight thousand, seventy-two".