6742470 has 64 divisors (see below), whose sum is σ = 18740736. Its totient is φ = 1520640.

The previous prime is 6742459. The next prime is 6742481. The reversal of 6742470 is 742476.

It is an interprime number because it is at equal distance from previous prime (6742459) and next prime (6742481).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20205 + ... + 20535.

It is an arithmetic number, because the mean of its divisors is an integer number (292824).

Almost surely, 2^6742470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6742470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9370368).

6742470 is an abundant number, since it is smaller than the sum of its proper divisors (11998266).

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

6742470 is a wasteful number, since it uses less digits than its factorization.

6742470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 6742470 is about 2596.6266578005. The cubic root of 6742470 is about 188.9178557396.

The spelling of 6742470 in words is "six million, seven hundred forty-two thousand, four hundred seventy".