742498680 has 256 divisors, whose sum is σ = 2806824960. Its totient is φ = 152640000.

The previous prime is 742498667. The next prime is 742498697. The reversal of 742498680 is 86894247.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 988305 + ... + 989055.

It is an arithmetic number, because the mean of its divisors is an integer number (10964160).

Almost surely, 2^742498680 is an apocalyptic number.

742498680 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 742498680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1403412480).

742498680 is an abundant number, since it is smaller than the sum of its proper divisors (2064326280).

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

742498680 is a wasteful number, since it uses less digits than its factorization.

742498680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890 (or 886 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 742498680 is about 27248.8289656638. The cubic root of 742498680 is about 905.5210739139.

The spelling of 742498680 in words is "seven hundred forty-two million, four hundred ninety-eight thousand, six hundred eighty".