740654 has 8 divisors (see below), whose sum is σ = 1121688. Its totient is φ = 366760.

The previous prime is 740653. The next prime is 740659. The reversal of 740654 is 456047.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1517 + ... + 1944.

It is an arithmetic number, because the mean of its divisors is an integer number (140211).

2⁷⁴⁰⁶⁵⁴ is an apocalyptic number.

740654 is a deficient number, since it is larger than the sum of its proper divisors (381034).

740654 is a wasteful number, since it uses less digits than its factorization.

740654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 740654 is about 860.6125725319. The cubic root of 740654 is about 90.4770553230.

The spelling of 740654 in words is "seven hundred forty thousand, six hundred fifty-four".