7449638530 has 16 divisors (see below), whose sum is σ = 13534672320. Its totient is φ = 2952005872.

The previous prime is 7449638479. The next prime is 7449638531. The reversal of 7449638530 is 358369447.

It is a super-2 number, since 2×7449638530² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7449638531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3480070 + ... + 3482209.

It is an arithmetic number, because the mean of its divisors is an integer number (845917020).

Almost surely, 2^7449638530 is an apocalyptic number.

7449638530 is a deficient number, since it is larger than the sum of its proper divisors (6085033790).

7449638530 is a wasteful number, since it uses less digits than its factorization.

7449638530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6962393.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The square root of 7449638530 is about 86311.2885432723. The cubic root of 7449638530 is about 1953.0426774663.

The spelling of 7449638530 in words is "seven billion, four hundred forty-nine million, six hundred thirty-eight thousand, five hundred thirty".