47767040 has 80 divisors (see below), whose sum is σ = 117260352. Its totient is φ = 18653184.

The previous prime is 47767033. The next prime is 47767043. The reversal of 47767040 is 4076774.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×47767040² = 4563380220723200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47767043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120122 + ... + 120518.

Almost surely, 2^47767040 is an apocalyptic number.

47767040 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 47767040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58630176).

47767040 is an abundant number, since it is smaller than the sum of its proper divisors (69493312).

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

47767040 is an equidigital number, since it uses as much as digits as its factorization.

47767040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 47767040 is about 6911.3703416906. The cubic root of 47767040 is about 362.8352253752.

The spelling of 47767040 in words is "forty-seven million, seven hundred sixty-seven thousand, forty".