67478045 has 16 divisors (see below), whose sum is σ = 83369088. Its totient is φ = 52409280.

The previous prime is 67478029. The next prime is 67478053. The reversal of 67478045 is 54087476.

It is not a de Polignac number, because 67478045 - 2⁴ = 67478029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67477993 and 67478011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22367 + ... + 25203.

It is an arithmetic number, because the mean of its divisors is an integer number (5210568).

Almost surely, 2^67478045 is an apocalyptic number.

It is an amenable number.

67478045 is a deficient number, since it is larger than the sum of its proper divisors (15891043).

67478045 is a wasteful number, since it uses less digits than its factorization.

67478045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2980.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 67478045 is about 8214.5021151619. The cubic root of 67478045 is about 407.1184932291.

The spelling of 67478045 in words is "sixty-seven million, four hundred seventy-eight thousand, forty-five".