740007400 has 96 divisors (see below), whose sum is σ = 1927867680. Its totient is φ = 261792000.

The previous prime is 740007397. The next prime is 740007407. The reversal of 740007400 is 4700047.

It is a happy number.

It is a super-2 number, since 2×740007400² = 1095221904109520000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (740007407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76855 + ... + 85945.

It is an arithmetic number, because the mean of its divisors is an integer number (20081955).

Almost surely, 2^740007400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 740007400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (963933840).

740007400 is an abundant number, since it is smaller than the sum of its proper divisors (1187860280).

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

740007400 is a wasteful number, since it uses less digits than its factorization.

740007400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9155 (or 9146 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 740007400 is about 27203.0770318359. The cubic root of 740007400 is about 904.5071846549.

Adding to 740007400 its reverse (4700047), we get a palindrome (744707447).

The spelling of 740007400 in words is "seven hundred forty million, seven thousand, four hundred".