73953340 has 24 divisors (see below), whose sum is σ = 159091632. Its totient is φ = 28859520.

The previous prime is 73953337. The next prime is 73953353. The reversal of 73953340 is 4335937.

It is a junction number, because it is equal to n+sod(n) for n = 73953296 and 73953305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44274 + ... + 45913.

It is an arithmetic number, because the mean of its divisors is an integer number (6628818).

Almost surely, 2^73953340 is an apocalyptic number.

It is an amenable number.

73953340 is an abundant number, since it is smaller than the sum of its proper divisors (85138292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73953340 is a wasteful number, since it uses less digits than its factorization.

73953340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90237 (or 90235 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 73953340 is about 8599.6127819804. The cubic root of 73953340 is about 419.7453861167.

The spelling of 73953340 in words is "seventy-three million, nine hundred fifty-three thousand, three hundred forty".