7401530745 has 24 divisors (see below), whose sum is σ = 14662080576. Its totient is φ = 3383556768.

The previous prime is 7401530687. The next prime is 7401530749. The reversal of 7401530745 is 5470351047.

It is a happy number.

It is not a de Polignac number, because 7401530745 - 2¹⁵ = 7401497977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7401530749) 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, 11748147 + ... + 11748776.

It is an arithmetic number, because the mean of its divisors is an integer number (610920024).

Almost surely, 2^7401530745 is an apocalyptic number.

It is an amenable number.

7401530745 is a deficient number, since it is larger than the sum of its proper divisors (7260549831).

7401530745 is a wasteful number, since it uses less digits than its factorization.

7401530745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23496941 (or 23496938 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 7401530745 is about 86032.1494849455. The cubic root of 7401530745 is about 1948.8295184699.

The spelling of 7401530745 in words is "seven billion, four hundred one million, five hundred thirty thousand, seven hundred forty-five".