7742625 has 32 divisors (see below), whose sum is σ = 14062464. Its totient is φ = 3752000.

The previous prime is 7742593. The next prime is 7742641. The reversal of 7742625 is 5262477.

It is not a de Polignac number, because 7742625 - 2⁵ = 7742593 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3187 + ... + 5063.

It is an arithmetic number, because the mean of its divisors is an integer number (439452).

Almost surely, 2^7742625 is an apocalyptic number.

7742625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7742625 is a deficient number, since it is larger than the sum of its proper divisors (6319839).

7742625 is a wasteful number, since it uses less digits than its factorization.

7742625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906 (or 1896 counting only the distinct ones).

The product of its digits is 23520, while the sum is 33.

The square root of 7742625 is about 2782.5572770385. The cubic root of 7742625 is about 197.8317875495.

The spelling of 7742625 in words is "seven million, seven hundred forty-two thousand, six hundred twenty-five".