7400070 has 24 divisors (see below), whose sum is σ = 19240416. Its totient is φ = 1973328.

The previous prime is 7400069. The next prime is 7400077. The reversal of 7400070 is 700047.

It is a super-2 number, since 2×7400070² = 109522072009800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7400077) 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 11 ways as a sum of consecutive naturals, for example, 41022 + ... + 41201.

It is an arithmetic number, because the mean of its divisors is an integer number (801684).

Almost surely, 2^7400070 is an apocalyptic number.

7400070 is an abundant number, since it is smaller than the sum of its proper divisors (11840346).

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

7400070 is a wasteful number, since it uses less digits than its factorization.

7400070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82236 (or 82233 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 18.

The square root of 7400070 is about 2720.3069679725. The cubic root of 7400070 is about 194.8701304890.

The spelling of 7400070 in words is "seven million, four hundred thousand, seventy".