7402739380 has 12 divisors (see below), whose sum is σ = 15545752740. Its totient is φ = 2961095744.

The previous prime is 7402739341. The next prime is 7402739423. The reversal of 7402739380 is 839372047.

It can be written as a sum of positive squares in 2 ways, for example, as 4414805136 + 2987934244 = 66444^2 + 54662^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185068465 + ... + 185068504.

It is an arithmetic number, because the mean of its divisors is an integer number (1295479395).

Almost surely, 2^7402739380 is an apocalyptic number.

It is an amenable number.

7402739380 is an abundant number, since it is smaller than the sum of its proper divisors (8143013360).

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

7402739380 is a wasteful number, since it uses less digits than its factorization.

7402739380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370136978 (or 370136976 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 7402739380 is about 86039.1735199729. The cubic root of 7402739380 is about 1948.9355909139.

The spelling of 7402739380 in words is "seven billion, four hundred two million, seven hundred thirty-nine thousand, three hundred eighty".