7398743040 has 704 divisors, whose sum is σ = 29712614400. Its totient is φ = 1732313088.

The previous prime is 7398743039. The next prime is 7398743041. The reversal of 7398743040 is 403478937.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7398743039) and next prime (7398743041).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7398743041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41333671 + ... + 41333849.

Almost surely, 2^7398743040 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 7398743040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14856307200).

7398743040 is an abundant number, since it is smaller than the sum of its proper divisors (22313871360).

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

7398743040 is a wasteful number, since it uses less digits than its factorization.

7398743040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 7398743040 is about 86015.9464285547. The cubic root of 7398743040 is about 1948.5848193581.

The spelling of 7398743040 in words is "seven billion, three hundred ninety-eight million, seven hundred forty-three thousand, forty".