742017400 has 48 divisors (see below), whose sum is σ = 1729242000. Its totient is φ = 296110080.

The previous prime is 742017371. The next prime is 742017413. The reversal of 742017400 is 4710247.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85669 + ... + 93931.

It is an arithmetic number, because the mean of its divisors is an integer number (36025875).

Almost surely, 2^742017400 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 742017400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (864621000).

742017400 is an abundant number, since it is smaller than the sum of its proper divisors (987224600).

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

742017400 is a wasteful number, since it uses less digits than its factorization.

742017400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8728 (or 8719 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 742017400 is about 27239.9963289278. The cubic root of 742017400 is about 905.3253818135.

Adding to 742017400 its reverse (4710247), we get a palindrome (746727647).

The spelling of 742017400 in words is "seven hundred forty-two million, seventeen thousand, four hundred".