7061621 has 12 divisors (see below), whose sum is σ = 8440992. Its totient is φ = 5786616.

The previous prime is 7061603. The next prime is 7061627. The reversal of 7061621 is 1261607.

7061621 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7061621 - 2¹⁸ = 6799477 is a prime.

It is a super-2 number, since 2×7061621² = 99732982295282, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

7061621 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7061627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2750 + ... + 4656.

It is an arithmetic number, because the mean of its divisors is an integer number (703416).

Almost surely, 2^7061621 is an apocalyptic number.

It is an amenable number.

7061621 is a deficient number, since it is larger than the sum of its proper divisors (1379371).

7061621 is a wasteful number, since it uses less digits than its factorization.

7061621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960 (or 1937 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 7061621 is about 2657.3710693089. The cubic root of 7061621 is about 191.8527969654.

The spelling of 7061621 in words is "seven million, sixty-one thousand, six hundred twenty-one".