73820834 has 16 divisors (see below), whose sum is σ = 121289400. Its totient is φ = 33540864.

The previous prime is 73820807. The next prime is 73820837. The reversal of 73820834 is 43802837.

It can be written as a sum of positive squares in 4 ways, for example, as 64850809 + 8970025 = 8053^2 + 2995^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73820794 and 73820803.

It is not an unprimeable number, because it can be changed into a prime (73820837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36449 + ... + 38420.

Almost surely, 2^73820834 is an apocalyptic number.

73820834 is a deficient number, since it is larger than the sum of its proper divisors (47468566).

73820834 is a wasteful number, since it uses less digits than its factorization.

73820834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74917.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 73820834 is about 8591.9051437967. The cubic root of 73820834 is about 419.4945431140.

The spelling of 73820834 in words is "seventy-three million, eight hundred twenty thousand, eight hundred thirty-four".