7389397390 has 16 divisors (see below), whose sum is σ = 13314630960. Its totient is φ = 2952711040.

The previous prime is 7389397343. The next prime is 7389397399. The reversal of 7389397390 is 937939837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7389397399) 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, 370795 + ... + 390214.

It is an arithmetic number, because the mean of its divisors is an integer number (832164435).

Almost surely, 2^7389397390 is an apocalyptic number.

7389397390 is a deficient number, since it is larger than the sum of its proper divisors (5925233570).

7389397390 is a wasteful number, since it uses less digits than its factorization.

7389397390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761987.

The product of its (nonzero) digits is 7715736, while the sum is 58.

The square root of 7389397390 is about 85961.6041613929. The cubic root of 7389397390 is about 1947.7640283760.

The spelling of 7389397390 in words is "seven billion, three hundred eighty-nine million, three hundred ninety-seven thousand, three hundred ninety".