7480000749 has 16 divisors (see below), whose sum is σ = 10746952832. Its totient is φ = 4600317888.

The previous prime is 7480000739. The next prime is 7480000777. The reversal of 7480000749 is 9470000847.

It is not a de Polignac number, because 7480000749 - 2¹² = 7479996653 is a prime.

It is a super-2 number, since 2×7480000749² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7480000739) 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, 9384 + ... + 122670.

It is an arithmetic number, because the mean of its divisors is an integer number (671684552).

Almost surely, 2^7480000749 is an apocalyptic number.

It is an amenable number.

7480000749 is a deficient number, since it is larger than the sum of its proper divisors (3266952083).

7480000749 is a wasteful number, since it uses less digits than its factorization.

7480000749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114996.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 7480000749 is about 86486.9975718894. The cubic root of 7480000749 is about 1955.6923957777.

The spelling of 7480000749 in words is "seven billion, four hundred eighty million, seven hundred forty-nine", and thus it is an aban number.