747421534 has 8 divisors (see below), whose sum is σ = 1151433288. Its totient is φ = 363610440.

The previous prime is 747421489. The next prime is 747421567. The reversal of 747421534 is 435124747.

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

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 747421493 and 747421502.

It is a congruent number.

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, 5050072 + ... + 5050219.

It is an arithmetic number, because the mean of its divisors is an integer number (143929161).

Almost surely, 2^747421534 is an apocalyptic number.

747421534 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

747421534 is a deficient number, since it is larger than the sum of its proper divisors (404011754).

747421534 is a wasteful number, since it uses less digits than its factorization.

747421534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100330.

The product of its digits is 94080, while the sum is 37.

The square root of 747421534 is about 27339.0112110881. The cubic root of 747421534 is about 907.5179045662.

The spelling of 747421534 in words is "seven hundred forty-seven million, four hundred twenty-one thousand, five hundred thirty-four".