740621433 has 16 divisors (see below), whose sum is σ = 993758976. Its totient is φ = 490626000.

The previous prime is 740621419. The next prime is 740621443. The reversal of 740621433 is 334126047.

It is not a de Polignac number, because 740621433 - 2¹⁶ = 740555897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 740621433.

It is not an unprimeable number, because it can be changed into a prime (740621443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423066 + ... + 424812.

It is an arithmetic number, because the mean of its divisors is an integer number (62109936).

Almost surely, 2^740621433 is an apocalyptic number.

It is an amenable number.

740621433 is a deficient number, since it is larger than the sum of its proper divisors (253137543).

740621433 is a wasteful number, since it uses less digits than its factorization.

740621433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 740621433 is about 27214.3607861732. The cubic root of 740621433 is about 904.7572919350.

The spelling of 740621433 in words is "seven hundred forty million, six hundred twenty-one thousand, four hundred thirty-three".