740231805 has 16 divisors (see below), whose sum is σ = 1216381824. Its totient is φ = 384120000.

The previous prime is 740231803. The next prime is 740231813. The reversal of 740231805 is 508132047.

It is not a de Polignac number, because 740231805 - 2¹ = 740231803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740231801) 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, 666321 + ... + 667430.

It is an arithmetic number, because the mean of its divisors is an integer number (76023864).

Almost surely, 2^740231805 is an apocalyptic number.

It is an amenable number.

740231805 is a deficient number, since it is larger than the sum of its proper divisors (476150019).

740231805 is a wasteful number, since it uses less digits than its factorization.

740231805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333796.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 740231805 is about 27207.2013444970. The cubic root of 740231805 is about 904.5986051015.

The spelling of 740231805 in words is "seven hundred forty million, two hundred thirty-one thousand, eight hundred five".