740007730 has 64 divisors (see below), whose sum is σ = 1692119808. Its totient is φ = 226287360.

The previous prime is 740007721. The next prime is 740007731. The reversal of 740007730 is 37700047.

It is a super-2 number, since 2×740007730² = 1095222880919505800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (740007731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31744 + ... + 49876.

It is an arithmetic number, because the mean of its divisors is an integer number (26439372).

Almost surely, 2^740007730 is an apocalyptic number.

740007730 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

740007730 is an abundant number, since it is smaller than the sum of its proper divisors (952112078).

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

740007730 is a wasteful number, since it uses less digits than its factorization.

740007730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18211.

The product of its (nonzero) digits is 4116, while the sum is 28.

The square root of 740007730 is about 27203.0830973256. The cubic root of 740007730 is about 904.5073191073.

Adding to 740007730 its reverse (37700047), we get a palindrome (777707777).

The spelling of 740007730 in words is "seven hundred forty million, seven thousand, seven hundred thirty".