67479425 has 12 divisors (see below), whose sum is σ = 90111420. Its totient is φ = 49830720.

The previous prime is 67479407. The next prime is 67479437. The reversal of 67479425 is 52497476.

It can be written as a sum of positive squares in 6 ways, for example, as 1739761 + 65739664 = 1319^2 + 8108^2 .

It is not a de Polignac number, because 67479425 - 2⁶ = 67479361 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103490 + ... + 104139.

It is an arithmetic number, because the mean of its divisors is an integer number (7509285).

Almost surely, 2^67479425 is an apocalyptic number.

67479425 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

67479425 is a deficient number, since it is larger than the sum of its proper divisors (22631995).

67479425 is a wasteful number, since it uses less digits than its factorization.

67479425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207652 (or 207647 counting only the distinct ones).

The product of its digits is 423360, while the sum is 44.

The square root of 67479425 is about 8214.5861125196. The cubic root of 67479425 is about 407.1212685500.

The spelling of 67479425 in words is "sixty-seven million, four hundred seventy-nine thousand, four hundred twenty-five".