7378766481 has 8 divisors (see below), whose sum is σ = 9985196704. Its totient is φ = 4845756960.

The previous prime is 7378766471. The next prime is 7378766509. The reversal of 7378766481 is 1846678737.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7378766481 - 2⁵ = 7378766449 is a prime.

It is a super-2 number, since 2×7378766481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7378766401) 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, 18354940 + ... + 18355341.

It is an arithmetic number, because the mean of its divisors is an integer number (1248149588).

Almost surely, 2^7378766481 is an apocalyptic number.

It is an amenable number.

7378766481 is a deficient number, since it is larger than the sum of its proper divisors (2606430223).

7378766481 is a wasteful number, since it uses less digits than its factorization.

7378766481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36710351.

The product of its digits is 9483264, while the sum is 57.

The square root of 7378766481 is about 85899.7466876358. The cubic root of 7378766481 is about 1946.8295164470.

The spelling of 7378766481 in words is "seven billion, three hundred seventy-eight million, seven hundred sixty-six thousand, four hundred eighty-one".