7240000073 has 8 divisors (see below), whose sum is σ = 7274282496. Its totient is φ = 7205788800.

The previous prime is 7240000057. The next prime is 7240000127. The reversal of 7240000073 is 3700000427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7240000073 - 2⁴ = 7240000057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7240000043) 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, 192008 + ... + 226598.

It is an arithmetic number, because the mean of its divisors is an integer number (909285312).

Almost surely, 2^7240000073 is an apocalyptic number.

It is an amenable number.

7240000073 is a deficient number, since it is larger than the sum of its proper divisors (34282423).

7240000073 is a wasteful number, since it uses less digits than its factorization.

7240000073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35575.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 7240000073 is about 85088.1899736973. The cubic root of 7240000073 is about 1934.5480606735.

The spelling of 7240000073 in words is "seven billion, two hundred forty million, seventy-three", and thus it is an aban number.