67463428 has 12 divisors (see below), whose sum is σ = 118963152. Its totient is φ = 33473960.

The previous prime is 67463399. The next prime is 67463437. The reversal of 67463428 is 82436476.

It is a happy number.

It is a super-2 number, since 2×67463428² = 9102628235022368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63850 + ... + 64897.

It is an arithmetic number, because the mean of its divisors is an integer number (9913596).

Almost surely, 2^67463428 is an apocalyptic number.

It is an amenable number.

67463428 is a deficient number, since it is larger than the sum of its proper divisors (51499724).

67463428 is a wasteful number, since it uses less digits than its factorization.

67463428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128882 (or 128880 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The square root of 67463428 is about 8213.6123599790. The cubic root of 67463428 is about 407.0890946261.

The spelling of 67463428 in words is "sixty-seven million, four hundred sixty-three thousand, four hundred twenty-eight".