743916 has 24 divisors (see below), whose sum is σ = 1774080. Its totient is φ = 242512.

The previous prime is 743891. The next prime is 743917. The reversal of 743916 is 619347.

743916 = 64² + 65² + ... + 135².

It is a happy number.

It is a super-2 number, since 2×743916² = 1106822030112, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (743917) 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, 96 + ... + 1223.

It is an arithmetic number, because the mean of its divisors is an integer number (73920).

2⁷⁴³⁹¹⁶ is an apocalyptic number.

It is an amenable number.

743916 is an abundant number, since it is smaller than the sum of its proper divisors (1030164).

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

743916 is a wasteful number, since it uses less digits than its factorization.

743916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373 (or 1371 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 743916 is about 862.5056521554. The cubic root of 743916 is about 90.6096876230.

The spelling of 743916 in words is "seven hundred forty-three thousand, nine hundred sixteen".