7391818560 has 672 divisors, whose sum is σ = 29154290688. Its totient is φ = 1579253760.

The previous prime is 7391818547. The next prime is 7391818561. The reversal of 7391818560 is 658181937.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7391818561) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 53954812 + ... + 53954948.

Almost surely, 2^7391818560 is an apocalyptic number.

7391818560 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7391818560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14577145344).

7391818560 is an abundant number, since it is smaller than the sum of its proper divisors (21762472128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7391818560 is a wasteful number, since it uses less digits than its factorization.

7391818560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 7391818560 is about 85975.6858652491. The cubic root of 7391818560 is about 1947.9767364233.

The spelling of 7391818560 in words is "seven billion, three hundred ninety-one million, eight hundred eighteen thousand, five hundred sixty".