740649088 has 48 divisors (see below), whose sum is σ = 1499025150. Its totient is φ = 364514304.

The previous prime is 740649079. The next prime is 740649097. The reversal of 740649088 is 880946047.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (740649079) and next prime (740649097).

It can be written as a sum of positive squares in only one way, i.e., 531210304 + 209438784 = 23048^2 + 14472^2 .

It is a super-2 number, since 2×740649088² = 1097122143110463488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 573948 + ... + 575236.

Almost surely, 2^740649088 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 740649088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749512575).

740649088 is an abundant number, since it is smaller than the sum of its proper divisors (758376062).

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

740649088 is an equidigital number, since it uses as much as digits as its factorization.

740649088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437 (or 1358 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 740649088 is about 27214.8688771414. The cubic root of 740649088 is about 904.7685530870.

The spelling of 740649088 in words is "seven hundred forty million, six hundred forty-nine thousand, eighty-eight".