7742976 has 60 divisors (see below), whose sum is σ = 20922396. Its totient is φ = 2544640.

The previous prime is 7742957. The next prime is 7742993. The reversal of 7742976 is 6792477.

It is an Ulam number.

It is a d-powerful number, because it can be written as 7³ + 7⁷ + 4¹⁰ + 2³ + 9⁵ + 7⁸ + 6⁶ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109021 + ... + 109091.

Almost surely, 2^7742976 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 7742976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10461198).

7742976 is an abundant number, since it is smaller than the sum of its proper divisors (13179420).

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

7742976 is an frugal number, since it uses more digits than its factorization.

7742976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 76 counting only the distinct ones).

The product of its digits is 148176, while the sum is 42.

The square root of 7742976 is about 2782.6203478017. The cubic root of 7742976 is about 197.8347769710.

The spelling of 7742976 in words is "seven million, seven hundred forty-two thousand, nine hundred seventy-six".