7961662 has 4 divisors (see below), whose sum is σ = 11942496. Its totient is φ = 3980830.

The previous prime is 7961651. The next prime is 7961669. The reversal of 7961662 is 2661697.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2661697 = 701 ⋅3797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7961669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1990414 + ... + 1990417.

It is an arithmetic number, because the mean of its divisors is an integer number (2985624).

Almost surely, 2^7961662 is an apocalyptic number.

7961662 is a deficient number, since it is larger than the sum of its proper divisors (3980834).

7961662 is a wasteful number, since it uses less digits than its factorization.

7961662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3980833.

The product of its digits is 27216, while the sum is 37.

The square root of 7961662 is about 2821.6417207009. The cubic root of 7961662 is about 199.6800049556.

The spelling of 7961662 in words is "seven million, nine hundred sixty-one thousand, six hundred sixty-two".