723046990 has 8 divisors (see below), whose sum is σ = 1301484600. Its totient is φ = 289218792.

The previous prime is 723046979. The next prime is 723046997. The reversal of 723046990 is 99640327.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723046997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36152340 + ... + 36152359.

It is an arithmetic number, because the mean of its divisors is an integer number (162685575).

Almost surely, 2^723046990 is an apocalyptic number.

723046990 is a deficient number, since it is larger than the sum of its proper divisors (578437610).

723046990 is a wasteful number, since it uses less digits than its factorization.

723046990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72304706.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 723046990 is about 26889.5330937523. The cubic root of 723046990 is about 897.5435028817.

The spelling of 723046990 in words is "seven hundred twenty-three million, forty-six thousand, nine hundred ninety".