73628434 has 16 divisors (see below), whose sum is σ = 120852576. Its totient is φ = 33364800.

The previous prime is 73628431. The next prime is 73628437. The reversal of 73628434 is 43482637.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (73628431) and next prime (73628437).

It is a super-2 number, since 2×73628434² = 10842292586584712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73628393 and 73628402.

It is not an unprimeable number, because it can be changed into a prime (73628431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2449 + ... + 12379.

It is an arithmetic number, because the mean of its divisors is an integer number (7553286).

Almost surely, 2^73628434 is an apocalyptic number.

73628434 is a deficient number, since it is larger than the sum of its proper divisors (47224142).

73628434 is a wasteful number, since it uses less digits than its factorization.

73628434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10281.

The product of its digits is 96768, while the sum is 37.

The square root of 73628434 is about 8580.7012533942. The cubic root of 73628434 is about 419.1297817203.

The spelling of 73628434 in words is "seventy-three million, six hundred twenty-eight thousand, four hundred thirty-four".