49047680 has 64 divisors (see below), whose sum is σ = 127932480. Its totient is φ = 17832960.

The previous prime is 49047667. The next prime is 49047697. The reversal of 49047680 is 8674094.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3557 + ... + 10523.

It is an arithmetic number, because the mean of its divisors is an integer number (1998945).

Almost surely, 2^49047680 is an apocalyptic number.

49047680 is a gapful number since it is divisible by the number (40) 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 49047680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63966240).

49047680 is an abundant number, since it is smaller than the sum of its proper divisors (78884800).

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

49047680 is a wasteful number, since it uses less digits than its factorization.

49047680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6997 (or 6985 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 49047680 is about 7003.4048861964. The cubic root of 49047680 is about 366.0492234751.

The spelling of 49047680 in words is "forty-nine million, forty-seven thousand, six hundred eighty".