742070 has 16 divisors (see below), whose sum is σ = 1526688. Its totient is φ = 254400.

The previous prime is 742069. The next prime is 742073. The reversal of 742070 is 70247.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742073) by changing a digit.

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, 5231 + ... + 5370.

It is an arithmetic number, because the mean of its divisors is an integer number (95418).

2⁷⁴²⁰⁷⁰ is an apocalyptic number.

742070 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

742070 is an abundant number, since it is smaller than the sum of its proper divisors (784618).

It is a weird number, because it is abundant, but not a pseudoperfect number.

742070 is a wasteful number, since it uses less digits than its factorization.

742070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10615.

The product of its (nonzero) digits is 392, while the sum is 20.

The square root of 742070 is about 861.4348495388. The cubic root of 742070 is about 90.5346773491.

The spelling of 742070 in words is "seven hundred forty-two thousand, seventy", and thus it is an iban number.