7742534506 has 32 divisors (see below), whose sum is σ = 13604393088. Its totient is φ = 3235619520.

The previous prime is 7742534491. The next prime is 7742534509. The reversal of 7742534506 is 6054352477.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (7742534509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358536 + ... + 379516.

It is an arithmetic number, because the mean of its divisors is an integer number (425137284).

Almost surely, 2^7742534506 is an apocalyptic number.

7742534506 is a deficient number, since it is larger than the sum of its proper divisors (5861858582).

7742534506 is a wasteful number, since it uses less digits than its factorization.

7742534506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21646.

The product of its (nonzero) digits is 705600, while the sum is 43.

The square root of 7742534506 is about 87991.6729355682. The cubic root of 7742534506 is about 1978.3101680922.

The spelling of 7742534506 in words is "seven billion, seven hundred forty-two million, five hundred thirty-four thousand, five hundred six".