773724690 has 64 divisors (see below), whose sum is σ = 2067102720. Its totient is φ = 205943040.

The previous prime is 773724683. The next prime is 773724709. The reversal of 773724690 is 96427377.

It is a happy number.

It is a super-2 number, since 2×773724690² = 1197299791831192200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161530 + ... + 166250.

It is an arithmetic number, because the mean of its divisors is an integer number (32298480).

Almost surely, 2^773724690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 773724690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1033551360).

773724690 is an abundant number, since it is smaller than the sum of its proper divisors (1293378030).

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

773724690 is a wasteful number, since it uses less digits than its factorization.

773724690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5344 (or 5338 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The square root of 773724690 is about 27815.9071396207. The cubic root of 773724690 is about 918.0411575379.

The spelling of 773724690 in words is "seven hundred seventy-three million, seven hundred twenty-four thousand, six hundred ninety".