7464320155 has 16 divisors (see below), whose sum is σ = 9036195840. Its totient is φ = 5918921568.

The previous prime is 7464320141. The next prime is 7464320167. The reversal of 7464320155 is 5510234647.

It is a cyclic number.

It is not a de Polignac number, because 7464320155 - 2²¹ = 7462223003 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438534 + ... + 455236.

It is an arithmetic number, because the mean of its divisors is an integer number (564762240).

Almost surely, 2^7464320155 is an apocalyptic number.

7464320155 is a deficient number, since it is larger than the sum of its proper divisors (1571875685).

7464320155 is a wasteful number, since it uses less digits than its factorization.

7464320155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17490.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 7464320155 is about 86396.2971139389. The cubic root of 7464320155 is about 1954.3248436653.

The spelling of 7464320155 in words is "seven billion, four hundred sixty-four million, three hundred twenty thousand, one hundred fifty-five".