7380634921 has 8 divisors (see below), whose sum is σ = 8053740864. Its totient is φ = 6707885520.

The previous prime is 7380634901. The next prime is 7380634957. The reversal of 7380634921 is 1294360837.

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

It is a cyclic number.

It is not a de Polignac number, because 7380634921 - 2²¹ = 7378537769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7380634901) 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, 44890 + ... + 129523.

It is an arithmetic number, because the mean of its divisors is an integer number (1006717608).

Almost surely, 2^7380634921 is an apocalyptic number.

It is an amenable number.

7380634921 is a deficient number, since it is larger than the sum of its proper divisors (673105943).

7380634921 is a wasteful number, since it uses less digits than its factorization.

7380634921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178271.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 7380634921 is about 85910.6217006954. The cubic root of 7380634921 is about 1946.9938269797.

The spelling of 7380634921 in words is "seven billion, three hundred eighty million, six hundred thirty-four thousand, nine hundred twenty-one".