70621954 has 16 divisors (see below), whose sum is σ = 114222528. Its totient is φ = 32554512.

The previous prime is 70621951. The next prime is 70621963. The reversal of 70621954 is 45912607.

It is not an unprimeable number, because it can be changed into a prime (70621951) 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, 34549 + ... + 36535.

It is an arithmetic number, because the mean of its divisors is an integer number (7138908).

Almost surely, 2^70621954 is an apocalyptic number.

70621954 is a deficient number, since it is larger than the sum of its proper divisors (43600574).

70621954 is a wasteful number, since it uses less digits than its factorization.

70621954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 70621954 is about 8403.6869289616. The cubic root of 70621954 is about 413.3455278805.

The spelling of 70621954 in words is "seventy million, six hundred twenty-one thousand, nine hundred fifty-four".