740006990 has 8 divisors (see below), whose sum is σ = 1332012600. Its totient is φ = 296002792.

The previous prime is 740006987. The next prime is 740007011. The reversal of 740006990 is 99600047.

It is a happy number.

740006990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×740006990² = 1095220690497720200, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 740006990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37000340 + ... + 37000359.

It is an arithmetic number, because the mean of its divisors is an integer number (166501575).

Almost surely, 2^740006990 is an apocalyptic number.

740006990 is a deficient number, since it is larger than the sum of its proper divisors (592005610).

740006990 is a wasteful number, since it uses less digits than its factorization.

740006990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74000706.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 740006990 is about 27203.0694959227. The cubic root of 740006990 is about 904.5070176079.

The spelling of 740006990 in words is "seven hundred forty million, six thousand, nine hundred ninety".